- FondsCrook - Papers of John Anthony Crook
- SeriesD - Correspondence
- SubseriesD1 - Files of letters mostly to, with some from JAC, arranged alphabetically by sender/recipient
- File1 - Box 1, Letters A-B
- 26 more...
- Item26 - TLs from Okko Behrends.
- Item27 - TLS from Okko Behrends.
- Item28 - ALS from Christopher Beron.
- Item29 - ALS from D.J. Biermann
- Item30 - TLS from J Birdsall.
- Item31 - TLS from Birmingham City Council
- Item32 - TLS from Birmingham City Council
- Item33 - TLS from Birmingham City Council.
- Item34 - ALS from Professor Wolfgang und Rut Blumel
- 44 more...